• Jam-free performance - dual flute design provides greater speed and control Rapid Strike™ tip - creates fast, accurate starts and generates less heat Up to 50% more holes per battery charge - greater user productivity Three flat Secure-Grip™ prevents bit from slipping in chuck Up to 2X faster - optimized for cordless drills in high-speed Up to 4X longer bit life - optimized geometry with black oxide-coating to cut faster and produce less heat Laser engraved reference marks - easily stop on any hole size

Milwaukee® step drill bits with JAM-FREE performance feature a dual-flute design delivering up to 2X faster hole times, up to 4X longer life and up to 50 percent more holes per battery charge than competitors. Ideal for drilling small and large-diameter holes in steel and plastic, these bits are optimized for cordless drills in high speed. The Rapid Strike tip allows for a fast and accurate start that generates less heat, resulting in longer bit tip life. Black oxide coating also enhances durability, hole quality and bit life. For user convenience and accuracy, each bit has laser-engraved reference marks you can see while drilling. The 3-flat Secure-Grip shank ensures a solid connection with the drill chuck. The step drill bit 4-piece set includes bits 1 (48-89-9201), 4 (48-89-9204), 7 (48-89-9207) and 12 (48-89-9212). JAM-FREE performance in high speed with most professional 18 V cordless drills with lithium-ion battery technology.